Morse Code - Morse Master
AI Decode & CW Trainer
Free · In-App Purchases
Morse Master helps you learn Morse code by ear with a structured Koch-method path and practical CW drills. Instead of memorizing dots and dashes from a chart, you train the sound patterns used in real copying and sending.
Training:
- Progressive Koch lessons that introduce characters step by step
- Daily Sprint sessions for focused 60-second practice
- Listening and receive drills for Morse copy
- Sending practice for rhythm, timing, and keying control
- Weak-character review and confusing-pair drills
- Adjustable WPM, Farnsworth spacing, pitch, noise, and fading
- WPM Ladder, Free Range, and copy practice for extra reps
Signal tools:
- Text to Morse and Morse to text, including Russian, Greek, Japanese Wabun, and Chinese telegraph code
- On-device audio decoding from recordings or microphone input
- Flashlight Morse transmitter
- Training history, progress, badges, and weak-character review
Beyond the app:
- Morse keyboard: type in Morse in any app, with one-key or two-key input
- Apple Watch: check your progress and run listening drills on your wrist; results sync back to iPhone
- Home Screen and Lock Screen widgets for today's Sprint, your streak, and due reviews
- iCloud sync across your devices (PRO)
Morse Master works offline, has no ads, and does not require an account. It is built for beginners, ham radio learners, and CW operators who want a clear daily path from first sounds to steadier copy and sending.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://morsecodetrainer.vercel.app/privacy
more Morse Master 3.5.9:
- Playback now consistently follows your volume and Farnsworth settings.
- Fixed passage playback continuing after stopping and showing completion after an interruption.
- Improved CW result recovery, history deletion and free decode allowance recovery when saving fails.
3.5.9 27 Oct
Morse Master 3.5.8:
- Fixed audio crashes that could occur when leaving the app or switching screens.
- Improved Morse keyboard stability during continuous input and when closing the keyboard.
- Improved button accessibility labels, translation result layout and wording in several languages.
3.5.8 20 Oct
Morse Master 3.5.7:
- After translating, tap “Practice this sentence's letters” for a 12-question listening round built from the letters in your sentence (International Morse). It’s free, and you can repeat it as often as you like.
- New Morse keys in lessons, WPM Ladder, the translator and the Morse keyboard: bigger dot and dash marks on the keys and a clearer preview of what you’ve typed. The app also remembers whether you use one key or two.
3.5.7 16 Oct
Morse Master 3.5.6:
- When audio decoding can’t confirm a result, it now shows the most likely reading, marked as unconfirmed, and every reading can be copied with one tap. Successful results can be copied too.
- After a failed decode you can export the recording or send it to the developer, and if you haven’t started learning yet, jump straight into Level 1.
- New users who pick “Just translate & decode” first spend a minute meeting two letters, with a skip to the translator any time.
3.5.6 13 Oct
Morse Master 3.5.5:
- Share translator results as an image, with the Morse and a download link.
- New onboarding choice, “Just translate & decode”, takes you straight to the translator.
- Level 1 now has unscored warm-up questions, and if a listening round fails you can compare the two characters you mixed up.
- Audio decoding copes better with room noise at the start and end of a recording and recognizes a run-together SOS. When a reading can’t be confirmed, you see it marked as unconfirmed and can send the recording to the developer.
3.5.5 11 Oct
Morse Master 3.5.4:
- The app is now available in Polish.
- The next promotion now shows the correct requirement.
- Clearer, more accurate wording throughout the app and the knowledge articles.
3.5.4 4 Oct
Morse Master 3.5.3:
- Japanese Wabun in the text translator now accepts hiragana and converts it to katakana. Wabun has no kanji, so you'll see a note when kanji are skipped.
- The reminder card on HQ now appears at most three times, and you can close it any time with ×.
3.5.3 2 Oct
Morse Master 3.5.2:
- The first onboarding screen is now a demo: SOS plays on its own and the letters surface with the sound. No quiz, and you can skip it at any time.
- Redesigned subscription screen with your learning-path curve and rank progress, so pricing and benefits read at a glance.
- Training reminders now adapt to your streak and reviews due. Enable them in Settings. Finishing Koch or Daily Sprint clears today's reminder, including training synced from Apple Watch or iCloud.
- Fixed reminder timing after changing time zones.
3.5.2 21 Sept
Morse Master 3.5.1:
- Training reminders now adapt to your streak and reviews due. Enable them in Settings.
- Finishing Koch or Daily Sprint clears today’s reminder, including training synced from Apple Watch or iCloud.
- Fixed reminder timing after changing time zones and improved the first-launch experience.
3.5.1 16 Sept
Morse Master 3.5.0:
- New Apple Watch app: streak, reviews due, characters unlocked and today's Daily Sprint at a glance.
- Callsign, QSO and contest drills now keep a personal best — your top accuracy and the speed you reached it at.
- Listening practice now records the speed you listened at, and a listening round no longer resets your sending speed.
- Fixed a training round counted twice after you left and resumed it, and fixed the launch screen stretching on some devices.
- Anonymous usage statistics show us where learners get stuck. Turn them off any time in Settings → Privacy.
3.5.0 14 Sept
Morse Master 3.4.1:
- Fixed rare cases where Morse playback could skip tones, cut off the final tone, or stay silent for very short characters.
- Improved playback completion, interruptions, and output-device changes. iCloud sync is now available on macOS 14+ for training progress, settings, and history.
3.4.1 2 Sept
Morse Master 3.4.0:
- PRO members can enable iCloud Sync from Profile to keep training progress in sync across supported Apple devices.
- Passing the listening drill now unlocks the next Koch stage; sending and confusion drills remain optional practice for the current stage.
- Active sessions now confirm before you leave, with improved localized dates, Traditional Chinese wording, and reliability.
3.4.0 1 Sept
Morse Master 3.3.0 fixes how your training results are recorded:
- Sending and copy results used to be recorded as listening scores, which put the wrong characters on your review schedule. This version records them separately by source, so each skill is scored on its own.
- Your review progress is kept as it is: Koch stage, streak, rank, review intervals and full training history all carry over — nothing starts again. Over the first few days each character comes up for one review so the schedule can realign with how you actually hear it.
- Copy practice now uses aligned comparison: one missed character no longer marks the rest of the line wrong.
- Manual corrections in audio decoding no longer count as listening errors — you are correcting the decoder's output, not your own hearing.
- Added real-word copy practice; weak-character detection now uses recent performance.
3.3.0 11 Aug
Morse Master 3.2.2 improves audio reliability and data safety:
- Recordings can now run for up to five minutes, and Morse playback stops before recording begins.
- Imported audio is normalized to mono 8 kHz before decoding, with support for source files up to 128 MB.
- Better stereo-channel recovery and consistent 5–50 WPM estimates.
- Safer backup validation and more reliable audio-history cleanup.
- General stability and localization improvements.
3.2.2 29 Jul
Morse Master 3.2.1 improves audio reliability and data safety:
- Recordings can now run for up to five minutes, and Morse playback stops before recording begins.
- Imported audio is normalized to mono 8 kHz before decoding, with support for source files up to 128 MB.
- Better stereo-channel recovery and consistent 5–50 WPM estimates.
- Safer backup validation and more reliable audio-history cleanup.
- General stability and localization improvements.
3.2.1 23 Jul
Morse Master 3.2.0 brings a major Audio Decode upgrade:
- A substantially improved adaptive decoding algorithm handles variable-speed keying, Farnsworth spacing, fading, background noise, and uneven recordings more reliably.
- Confidence-aware alternatives make ambiguous signals clearer instead of presenting every decode as certain.
- New Koch characters are introduced before blind listening begins.
- Training keys now enter exactly one dot or dash per press, while continuous input remains available in the Morse keyboard.
- Improves purchase handoff and overall reliability.
3.2.0 17 Jul
Morse Master 3.1.8:
This update:
- Adds PRO Audio File Decode for importing short local audio files.
- Improves keyboard decode settings sync and shared preference handling.
- Tightens Morse input feedback, audio interruption handling, and replay cleanup.
- Improves Daily Sprint, SR summaries, celebrations, and release validation.
3.1.8 5 Jul
Morse Master 3.1.7:
This update:
- Makes the paywall follow live App Store offer data and StoreKit eligibility.
- Shows trial or intro-offer wording only when the current user is eligible.
- Keeps normal subscription wording when no eligible offer is available.
- Clarifies renewal, cancellation, and PRO benefit wording.
3.1.7 2 Jul
Morse Master 3.1.6:
This update:
- Expands the free Koch path to the first 18 stages, covering letters and digits.
- Adds PRO operator packs for QSO, Q-code, callsign, contest, and CW abbreviations.
- Makes live decoding unlimited with PRO while keeping a daily free trial.
- Adds branded milestone sharing with an App Store QR code.
- Cleans up key feedback so dit/dah input stays separate from the real side tone.
3.1.6 30 Jun
Morse Master 3.1.5:
This update:
- Makes the Koch training access boundary clearer and expands the free learning path.
- Adds richer milestone sharing for training progress and achievements.
- Improves accessibility, readable sizing behavior, iPad layouts, keyboard navigation, and reduced-motion handling.
3.1.5 28 Jun
Morse Master 3.1.4:
This maintenance update:
- Improves the small-screen sending layout and shared tap behavior for disabled controls.
- Clarifies restore-purchase and partial backup-import feedback.
- Makes legacy training migration counts and audio playback switching more reliable.
3.1.4 24 Jun
Morse Master 3.1.3:
This maintenance update:
- Keeps the compact Morse converter keyboard and legacy audio history deletion behavior from the 3.1 line.
- Clarifies legacy audio handling: deleting old history entries only hides them, while migration may clean an old source after saving a relocation map.
- Tightens release validation so App Store metadata and landing-page version fallback are checked against the app version.
3.1.3 21 Jun
Hotfix:
- Fixed a Koch training progression issue where returning after a break could leave completed stages stuck on optional practice instead of continuing the normal lesson path.
- Aligned HQ, Daily Sprint, and direct training entry points so they advance to the correct next stage and apply access rules consistently.
- Added broader regression coverage for stage boundaries, subscription state, Daily Sprint state, and lesson status combinations.
3.1.0 14 Jun
Hotfix:
- Fixed a Koch training progression issue where returning after a break could leave completed stages stuck on optional practice instead of continuing the normal lesson path.
- Aligned HQ, Daily Sprint, and direct training entry points so they advance to the correct next stage and apply access rules consistently.
- Added broader regression coverage for stage boundaries, subscription state, Daily Sprint state, and lesson status combinations.
3.0.1 8 Jun
New in this version:
- 40-stage Koch training with listen, send, and confusion drills.
- Daily Sprint, spaced review, badges, and growth stats.
- On-device Morse audio decoding plus text, flash, and code-table tools.
- Legacy practice data migration and release stability fixes.
3.0.0 28 May
Morse Master 3.5.9:
- Playback now consistently follows your volume and Farnsworth settings.
- Fixed passage playback continuing after stopping and showing completion after an interruption.
- Improved CW result recovery, history deletion and free decode allowance recovery when saving fails.
more Version 3.5.9 27 Oct
Data Linked to You The following data may be collected and linked to your identity:
Purchases Location Identifiers Usage Data Diagnostics 